Moving Charges and Magnetism

Related Questions

• The expression for the torque acting on a coil having area of cross-section A, number of turns n, placed in a magnetic field of strength B, making an angle $\theta $ with the normal to the plane of the coil, when a current i is flowing in it, will be

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• A wire in the form of a square of side ‘a’ carries a current i. Then the magnetic induction at the centre of the square wire is (Magnetic permeability of free space = ${\mu _o}$)

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• The strength of the magnetic field at a point r near a long straight current carrying wire is B. The field at a distance $\frac{r}{2}$ will be

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• A charge of 1C is moving in a magnetic field of 0.5Tesla with a velocity of 10m/sec Perpendicular to the field. Force experienced is

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• A circular loop of radius 0.0157m carries a current of 2.0 amp. The magnetic field at the centre of the loop is $({\mu _0} = 4\pi \times {10^{ - 7}}\,weber/amp - m)$

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